Fikiria vichwa vya trakti hizo: Sai kwa Viongozi wa Ulimwengu, Onyo kwa Wakristo Wote, na Viongozi wa Kanisa Washtakiwa.
normal availability of equipment, i.e. allowance should be made for periodic closures, for paid holidays, for routine maintenance and, where applicable, for the seasonal availability of electricityjw2019 jw2019